<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" name="viewport" />
		<title>二维码</title>
	</head>
	<style>
		*{
			padding: 0;
			margin: 0;
		}
		#page_code{
			background-color: #000;
			width: 100%;
			height: 100%;
		}
		#page_code img{
			width: 100%;
			display: flex;
            flex-direction: column;
            justify-content: center;
			text-align: center;
			vertical-align: middle;
		}	
	</style>
	<body>
		<div id="page_code"><img src="img/code.jpg"/></div>
	</body>
</html>
